Groffunitracing

I've spent hrs reading and searching threads..
i have a 2013 built ls3 10.6 c e85 running 8-12lbs goal is 600-700whp strictly a race car thats gonna get whooped on time to time
can't find proper spark plug help..
would like a 8 or 9 heat range i believe since hc...
do i run a tr8ix plug?
or is there a better plug for my set up..

im not familiar with plugs so please list names and numbers of plugs.. thanks

Groffunitracing

bump it to the top

RonSSNova

iTrader: (3)

Look into NGK R5724-8

Non resistor if that works for you.

Ron

Groffunitracing

Ron
why non resistor over resistor..
believe I'm gonna order a set of the br7efs and a set of b8efs to be safe.. heard great things from a guy running 10.5.1 comp n similar mods treated him well br7efs that is..